Changsha Purple Horn E-Commerce Co., Ltd.
| Power(Watts) | 800mW |
| Pitch | 5.1mm |
| Voltage-Supply(Max) | 250V |
| Resistance @ 25℃ | 10Ω |
| Description | 800mW 250V 10Ω Through Hole,P=5.1mm PTC Thermistors RoHS |
| Mfr. Part # | BK250-080-DY-E0.5TB |
| Package | Through Hole,P=5.1mm |
| Model Number | BK250-080-DY-E0.5TB |
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Product Specification
| Power(Watts) | 800mW | Pitch | 5.1mm |
| Voltage-Supply(Max) | 250V | Resistance @ 25℃ | 10Ω |
| Description | 800mW 250V 10Ω Through Hole,P=5.1mm PTC Thermistors RoHS | Mfr. Part # | BK250-080-DY-E0.5TB |
| Package | Through Hole,P=5.1mm | Model Number | BK250-080-DY-E0.5TB |
The BK250 series offers radial resettable overcurrent protection with holding currents ranging from 0.03A to 2.0A. Designed for higher working voltages up to 250V, these devices provide reliable over-current protection, high voltage surge capabilities, and are constructed with flame-retardant epoxy polymer insulating material meeting UL94 V-0 requirements. They are suitable for various IT and network equipment applications.
| Part Number | Style | A (Max.) | B (Max.) | C (Max.) | D (Typ.) | E (Min.) | F (Max.) | IH (A) | IT (A) | Vmax (VAC) | Imax (A) | Pd typ. (W) | Rmin () | Rmax () | Time-to-trip (s) |
| BK250-030 | DZ | 6.0 | 8.0 | 5.1 | 4.6 | 0.6 | 7.6 | 0.030 | 0.060 | 250 | 1 | 0.6 | 35.0 | 90.0 | 5.0 |
| BK250-040 | DY / DZ | 7.4 | 13.5 / 12.7 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.040 | 0.080 | 250 | 3 | 0.7 | 27.0 | 65.0 | 6.0 |
| BK250-060 | DY / DZ | 7.4 | 14.5 / 12.7 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.060 | 0.120 | 250 | 3 | 0.8 | 20.0 | 45.0 | 5.0 |
| BK250-080 | DY / DZ | 7.4 | 14.5 / 12.7 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.080 | 0.160 | 250 | 3 | 0.8 | 10.0 | 22.0 | 5.0 |
| BK250-090 | DY / DZ | 7.4 | 14.5 / 12.7 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.090 | 0.180 | 250 | 3 | 0.8 | 7.0 | 20.0 | 5.0 |
| BK250-110 | SY / SZ | 7.0 | 14.5 / 10.5 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.110 | 0.220 | 250 | 3 | 1.0 | 6.0 | 12.0 | 5.0 |
| BK250-120 | SY / SZ | 7.0 | 14.5 / 10.5 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.120 | 0.240 | 250 | 3 | 1.0 | 6.0 | 10.5 | 5.0 |
| BK250-145 | SY / SZ | 7.5 | 15.0 / 11.0 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.145 | 0.290 | 250 | 3 | 1.0 | 3.5 | 6.5 | 15.0 |
| BK250-180 | SY/SZ/DZ | 10.5 | 18.5 / 14.5 | 5.1 | 4.6 | 0.6 | 4.6 / 7.6 | 0.180 | 0.540 | 250 | 10 | 1.5 | 1.0 | 3.0 | 15.0 |
| BK250-200 | SZ / DZ | 10.5 | 18.5/17.0 | 5.1 | 4.6 | 0.6 | 7.6 | 0.200 | 0.400 | 250 | 10 | 1.5 | 3.0 | 6.0 | 9.0 |
| BK250-250 | SY/SZ | 9.3 | 15.0/12.8 | 5.1 | 4.6 | 0.6 | 7.6 | 0.250 | 0.500 | 250 | 10 | 1.5 | 1.6 | 4.8 | 7.0 |
| BK250-400 | SZ/SI | 11.2 | 17.0/19.5 | 5.1 | 4.6 | 0.8/0.6 | 7.6 | 0.400 | 0.800 | 250 | 10 | 2.0 | 1.0 | 3.0 | 9.0 |
| BK250-600 | SZ | 16.0 | 18.0 | 5.1 | 4.6 | 0.8 | 7.6 | 0.600 | 1.200 | 250 | 10 | 2.5 | 0.6 | 2.0 | 8.0 |
| BK250-800 | SZ | 20.0 | 22.0 | 5.1 | 4.6 | 0.8 | 7.6 | 0.800 | 1.600 | 250 | 10 | 2.7 | 0.4 | 1.0 | 18.0 |
| BK250-1000 | DZ | 21.1 | 23.6 | 10.2 | 4.6 | 0.8 | 7.6 | 1.000 | 2.000 | 250 | 10 | 2.9 | 0.3 | 0.8 | 21.0 |
| BK250-1500 | SZ | 21.0 | 27.5 | 10.2 | 4.6 | 0.8 | 7.6 | 1.500 | 3.000 | 250 | 10 | 3.9 | 0.2 | 0.6 | 23.0 |
| BK250-2000 | SZ | 26.2 | 32.8 | 10.2 | 4.6 | 0.8 | 7.6 | 2.000 | 4.000 | 250 | 10 | 4.5 | 0.1 | 0.4 | 28.0 |
| Part Number | Max. Ambient Operating Temperatures () -40 | -20 | 0 | 25 | 30 | 40 | 50 | 60 | 70 | 85 |
| BK250-030 | 0.044 | 0.040 | 0.035 | 0.030 | 0.027 | 0.025 | 0.023 | 0.020 | 0.017 | 0.013 |
| BK250-040 | 0.058 | 0.053 | 0.047 | 0.040 | 0.036 | 0.034 | 0.031 | 0.027 | 0.024 | 0.019 |
| BK250-060 | 0.085 | 0.079 | 0.070 | 0.060 | 0.055 | 0.051 | 0.046 | 0.041 | 0.037 | 0.029 |
| BK250-080 | 0.113 | 0.106 | 0.094 | 0.080 | 0.073 | 0.068 | 0.062 | 0.054 | 0.049 | 0.038 |
| BK250-090 | 0.131 | 0.119 | 0.105 | 0.090 | 0.082 | 0.077 | 0.069 | 0.061 | 0.055 | 0.043 |
| BK250-110 | 0.160 | 0.145 | 0.129 | 0.110 | 0.100 | 0.094 | 0.085 | 0.075 | 0.067 | 0.053 |
| BK250-120 | 0.172 | 0.158 | 0.140 | 0.120 | 0.109 | 0.102 | 0.092 | 0.082 | 0.073 | 0.058 |
| BK250-145 | 0.210 | 0.191 | 0.170 | 0.145 | 0.132 | 0.123 | 0.112 | 0.099 | 0.088 | 0.070 |
| BK250-180 | 0.260 | 0.238 | 0.211 | 0.180 | 0.164 | 0.153 | 0.139 | 0.122 | 0.110 | 0.086 |
| BK250-200 | 0.290 | 0.264 | 0.234 | 0.200 | 0.182 | 0.170 | 0.154 | 0.136 | 0.122 | 0.096 |
| BK250-250 | 0.390 | 0.340 | 0.300 | 0.250 | 0.230 | 0.210 | 0.180 | 0.160 | 0.140 | 0.100 |
| BK250-400 | 0.580 | 0.528 | 0.468 | 0.400 | 0.364 | 0.340 | 0.308 | 0.272 | 0.244 | 0.192 |
| BK250-600 | 0.870 | 0.792 | 0.702 | 0.600 | 0.546 | 0.510 | 0.462 | 0.408 | 0.366 | 0.288 |
| BK250-800 | 1.160 | 1.056 | 0.936 | 0.800 | 0.728 | 0.680 | 0.616 | 0.544 | 0.488 | 0.384 |
| BK250-1000 | 1.550 | 1.370 | 1.190 | 1.000 | 0.910 | 0.820 | 0.730 | 0.640 | 0.550 | 0.410 |
| BK250-1500 | 2.400 | 2.100 | 1.800 | 1.500 | 1.365 | 1.300 | 1.150 | 1.020 | 0.880 | 0.660 |
| BK250-2000 | 3.100 | 2.740 | 2.380 | 2.000 | 1.820 | 1.640 | 1.460 | 1.280 | 1.100 | 0.820 |
| Item | Test Conditions | Accept/Reject Criteria |
| Resistance | In still air @25 | Rmin R Rmax |
| Time to Trip | Specified current, Vmax, 25 | T max. Time to trip (Ttrip) |
| Hold Current | 30 min, at IH | No trip |
| Trip Cycle Life | Vmax, Imax, 100 cycles | No arcing or burning |
| Trip Endurance | Vmax, 24hours | No arcing or burning |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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